Since the founding of the United States, the Barbary pirates of North Africa threatened with impunity American lives, commerce, and honor on the high seas. But in 1815, Commodore Stephen Decatur led a charge to victory. The Second Barbary War, as it became known, helped define American foreign policy and consolidate its naval power. In Decatur's Wake: The Fateful Rivalry Behind the Lightning Defeat of Barbary Terror, Daniel Wattenberg shows us how.